1; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
2
3;
4; kernel void combine_vloads(global char8* src, global char8* result) {
5;   for (int i = 0; i < 1024; ++i)
6;     result[i] = src[0] + src[1] + src[2] + src[3];
7; }
8;
9
10
11; 128-bit loads instead of many 8-bit
12; EG-LABEL: @combine_vloads:
13; EG: VTX_READ_128
14; EG: VTX_READ_128
15define void @combine_vloads(<8 x i8> addrspace(1)* nocapture %src, <8 x i8> addrspace(1)* nocapture %result) nounwind {
16entry:
17  br label %for.body
18
19for.exit:                                         ; preds = %for.body
20  ret void
21
22for.body:                                         ; preds = %for.body, %entry
23  %i.01 = phi i32 [ 0, %entry ], [ %tmp19, %for.body ]
24  %arrayidx_v4 = bitcast <8 x i8> addrspace(1)* %src to <32 x i8> addrspace(1)*
25  %0 = bitcast <32 x i8> addrspace(1)* %arrayidx_v4 to <8 x i32> addrspace(1)*
26  %vecload2 = load <8 x i32> addrspace(1)* %0, align 32
27  %1 = bitcast <8 x i32> %vecload2 to <32 x i8>
28  %tmp5 = shufflevector <32 x i8> %1, <32 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
29  %tmp8 = shufflevector <32 x i8> %1, <32 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
30  %tmp9 = add nsw <8 x i8> %tmp5, %tmp8
31  %tmp12 = shufflevector <32 x i8> %1, <32 x i8> undef, <8 x i32> <i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23>
32  %tmp13 = add nsw <8 x i8> %tmp9, %tmp12
33  %tmp16 = shufflevector <32 x i8> %1, <32 x i8> undef, <8 x i32> <i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
34  %tmp17 = add nsw <8 x i8> %tmp13, %tmp16
35  %scevgep = getelementptr <8 x i8> addrspace(1)* %result, i32 %i.01
36  %2 = bitcast <8 x i8> %tmp17 to <2 x i32>
37  %3 = bitcast <8 x i8> addrspace(1)* %scevgep to <2 x i32> addrspace(1)*
38  store <2 x i32> %2, <2 x i32> addrspace(1)* %3, align 8
39  %tmp19 = add nsw i32 %i.01, 1
40  %exitcond = icmp eq i32 %tmp19, 1024
41  br i1 %exitcond, label %for.exit, label %for.body
42}
43